8185840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 21748608

約数和(自身を除く): 13562768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 463, 520, 680, 884, 926, 1040, 1105, 1360, 1768, 1852, 2210, 2315, 3536, 3704, 4420, 4630, 6019, 7408, 7871, 8840, 9260, 12038, 15742, 17680, 18520, 24076, 30095, 31484, 37040, 39355, 48152, 60190, 62968, 78710, 96304, 102323, 120380, 125936, 157420, 204646, 240760, 314840, 409292, 481520, 511615, 629680, 818584, 1023230, 1637168, 2046460, 4092920, 8185840]

約数ペア:

[(1, 8185840), (2, 4092920), (4, 2046460), (5, 1637168), (8, 1023230), (10, 818584), (13, 629680), (16, 511615), (17, 481520), (20, 409292), (26, 314840), (34, 240760), (40, 204646), (52, 157420), (65, 125936), (68, 120380), (80, 102323), (85, 96304), (104, 78710), (130, 62968), (136, 60190), (170, 48152), (208, 39355), (221, 37040), (260, 31484), (272, 30095), (340, 24076), (442, 18520), (463, 17680), (520, 15742), (680, 12038), (884, 9260), (926, 8840), (1040, 7871), (1105, 7408), (1360, 6019), (1768, 4630), (1852, 4420), (2210, 3704), (2315, 3536)]